Streetwise Heavy Duty Automatic Knife with Solid Handle – 3.5″ Blade, 8″ Overall, Stainless Steel, Safety Lock, Black, 4.5″ Closed Length

SKU: ST-AK-102
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$18.95

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Clean lines, full stainless steel construction, and a safety lock that means business. The solid handle gives this automatic knife a substantial feel in hand — no cutouts, no gaps, just a full-grip frame that pairs with a 3.5-inch blade and one-touch deployment.

  • Side-opening automatic deployment with thumb-slide mechanism
  • 3.5-inch stainless steel blade with full cutting edge
  • Solid stainless steel handle — full-contact grip surface
  • 4.5-inch closed length for standard pocket carry
  • Safety lock prevents accidental blade deployment during carry

Solid Construction, Straightforward Function

The solid handle version of this automatic knife keeps things simple. No lightening holes, no cutouts — just a continuous stainless steel frame that gives you a full-grip surface from heel to tip. It’s slightly more traditional in feel than its 5-hole counterpart, and for many users that full-contact grip is exactly what they want.

The 3.5-inch blade opens on command via the automatic mechanism and locks into place with a solid detent. The safety prevents any of that from happening until you’re ready.

Who This Automatic Knife Is For

This knife suits people who prefer a full, uninterrupted grip on their knife — whether for utility tasks, outdoor work, or general everyday carry. The solid handle profile feels more substantial in hand and looks more traditional, which some users prefer over skeletonized designs.

At 0.4 lbs and 4.5 inches closed, it carries comfortably in a front pocket. People who handle it regularly — outdoors workers, campers, or anyone who opens packages and cuts cordage as part of a daily routine — will appreciate the one-handed deployment without fighting a thumb stud.

Is This the Right Choice for You?

Choose this knife if you want:

  • A full-grip solid handle that fills the hand completely
  • Automatic one-handed deployment with a built-in safety lock
  • Traditional, clean aesthetics without cutouts or holes in the handle

Consider something else if you need:

  • A lighter carry — the solid handle is marginally heavier than the 5-hole version
  • A longer blade for heavy outdoor cutting — this 3.5-inch blade is utility-sized, not camp-knife sized

How the Knife Is Built

Frame and handle are both stainless steel with an all-black finish. The blade geometry is a standard drop-point profile — versatile enough for most everyday cutting tasks. Deployment is automatic via a side-slide mechanism; the safety lock blocks activation until deliberately disengaged.

Open dimensions are 8 inches by 1.38 inches — a proportional profile that doesn’t feel oversized in hand. The blade locks firmly open and releases cleanly on retraction. Everything operates with the kind of mechanical directness you want in a tool you’re counting on.

Quick Comparison: How Does This Automatic Knife Stack Up?

Feature This Automatic Knife Manual Folding Knife Assisted-Opening Knife Fixed Blade Knife
Deployment Speed Instant ✓ Two-hand or thumb stud Fast, one-handed Always open ✓
Handle Feel Full solid grip ✓ Varies Varies Full grip ✓
Safety Lock Yes ✓ Liner/frame lock Liner/frame lock N/A
Closed Length 4.5 inches Varies Varies N/A — fixed
Legal Restrictions Check local laws Generally unrestricted Generally unrestricted Check local laws
Best For EDC, solid-grip preference, utility General carry, low-profile Fast access, everyday tasks Outdoor, sustained cutting

Practical Details

Overall length open: 8 inches. Closed length: 4.5 inches. Blade length: 3.5 inches. Handle material: solid stainless steel. Weight: 0.4 lbs. Dimensions: 8″ x 1.38″. Color: black. Safety lock included. Note: Automatic knives are subject to varying regulations by state and locality — confirm your local laws before purchasing or carrying.

If a full-grip automatic knife with clean construction and dependable deployment is what you’re after, this solid handle model delivers exactly that.

Frequently Asked Questions

What’s the practical difference between the solid handle and the 5-hole handle versions?

Both knives are mechanically identical — same blade length, same automatic mechanism, same safety lock, same overall dimensions. The difference is purely in the handle construction. The solid handle provides a complete, uninterrupted grip surface that many users find more comfortable and traditional. The 5-hole handle reduces weight slightly and adds tactile finger registration. Neither is objectively better — it depends on your grip preference.

Is this knife legal to carry where I live?

Automatic knife regulations differ significantly across states, counties, and cities. Some jurisdictions permit them without restriction, others limit blade length, and some prohibit civilian carry entirely. You are responsible for knowing and complying with your local laws. Research your specific state and municipal regulations before purchasing or carrying this knife in public.

How durable is the stainless steel construction?

Stainless steel provides good corrosion resistance and solid structural integrity for everyday use and utility tasks. It holds a working edge well under normal conditions and cleans up easily. For best longevity, dry the blade after exposure to moisture and apply a light coat of mineral oil periodically. With basic care, stainless steel knives perform reliably for years of regular use.

Does the safety lock engage automatically when the blade closes?

No — the safety lock is a manual slide that you engage and disengage intentionally. This design gives you control over when the lock is active. For carry, the recommended practice is to close the blade and manually engage the safety lock before pocketing the knife. This prevents any possibility of accidental deployment from handle pressure or movement during carry.

Type of KnifeAutomatic
Overall Length8 inches
Blade Length3.5 inches
Collapsed Length4.5 inches
Handle MaterialStainless Steel
Weight0.4 lbs
Dimensions8" x 1.38"

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